Seiko Cal. 6140 - 991

The Seiko 6140-991 represents an important milestone in Seiko's 1996 lineup. Powered by the 6140 caliber with 27j jewels beating at 28,800 bph, it delivers a 67 hours power reserve. [seikata-wm-e176635e2cb0]

Also known as: Sportsmatic, Arnie

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

9.1mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1996

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